I had a small amount of vag bleeding during bowel movement. pinkish and a little stringy red blood. i am mid cycle with menstration,what could this be?

Irregular bleed: Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections & hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test . There are many options available to help regulate the menstrual cycle. Schedule a visit.